A Study on Encryption Techniques for Digital Rights Management of MPEG-4 Video Streams 


Vol. 12,  No. 2, pp. 175-182, Apr.  2005
10.3745/KIPSTC.2005.12.2.175


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  Abstract

This paper presents encryption techniques for digital right management solutions of MPEG-4 streams. MPEG-4 is a format for multimedia streaming and stored in the MPEG-4 file format. We designed three kinds of encryption methods, which encrypt macro blocks (MBs) or motion vector (MVs) of I-, P-VOPs (Video Objecy Planes), extracted from the MPEH-4 file format. We used DES to encrypt MPEG-4 data. Based on theses three methods, we designed and implemented a DRM solution for an Internet broadcasting service, which enabled a MPEG-4 data streaming, and then compared the results of decryption and quality of rendered video sequences to get an optimal encryption method.

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[IEEE Style]

G. H. Kim, D. K. Shin, D. I. Shin, "A Study on Encryption Techniques for Digital Rights Management of MPEG-4 Video Streams," The KIPS Transactions:PartC, vol. 12, no. 2, pp. 175-182, 2005. DOI: 10.3745/KIPSTC.2005.12.2.175.

[ACM Style]

Gun Hee Kim, Dong Kyoo Shin, and Dong Il Shin. 2005. A Study on Encryption Techniques for Digital Rights Management of MPEG-4 Video Streams. The KIPS Transactions:PartC, 12, 2, (2005), 175-182. DOI: 10.3745/KIPSTC.2005.12.2.175.

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